Lub khoos phis tawm thoob plaws ntawm ob qho kawg ntawm cov nquag kho qhov muag cable muab photoelectric hloov dua siab tshiab thiab kho qhov muag hloov pauv kom ua haujlwm txhawm rau txhim kho qhov kis tau ceev thiab kis tau deb ntawm lub kho qhov muag cable tsis muaj kev ua kom tsis muaj qhov tsis raug zoo nrog tus qauv hluav taws xob.
Raws li cov khoom siv ntawm lub cable, nws tuaj yeem muab faib ua:
Kev kub ceev cable, nrog rau kev ua haujlwm siab ceev cable thiab passive high-speed cable
Kev nquag cable kho qhov muag (AOC)
AOC yog dab tsi?
Active optical cable (AOC) tau muab txhais ua lub tshuab hluav taws xob kho qhov muag. Lub tshuab hluav taws xob=ob qho khoom siv kho qhov muag + cable jumper.AOC yog tsim ntawm cov khoom siv optoelectronic, uas yog siv rau cov chaw nruab nrab, lub computer siab, lub peev xwm loj thiab lwm yam khoom siv rau kev sib txuas ntawm high-speed thiab high-reliability. Nws feem ntau ua raws li kev lag luam tus qauv hluav taws xob interface, thiab siv qhov zoo ntawm optical cable rau cov ntaub ntawv xa mus los ntawm hluav taws xob sab hauv hluav taws xob hloov kho.
DAC yog dab tsi?
Tso ncaj qha txuas cable, raug xa mus rau DAC, feem ntau txhais raws li kev kub ceev cable, ncaj qha kev txuas cable lossis ncaj qha tooj cable. Cov hom cable no tsis tuaj yeem hloov chaw nres nkoj, thiab module taub hau thiab tooj liab cable tsis tuaj yeem raug cais tawm.High ceev cable DAC yog ua los ntawm cov nyiaj plated tus neeg xyuas pib thiab ua npuas ncauj insulated tub ntxhais hlau, uas adopts xaim thaiv thiab tiv thaiv tag nrho.
Daim ntawv thov:
AOC yog tsim los ntawm cov khoom siv sib xyaw nrog optoelectronic, uas yog siv rau lub chaw ntaub ntawv, lub tshuab ua haujlwm siab, lub cim xeeb loj thiab lwm yam khoom siv rau kev sib txuas ntawm kev kub ceev thiab kev ntseeg siab. Nws feem ntau ua raws li kev lag luam tus qauv hluav taws xob interface, thiab siv qhov zoo ntawm optical cable rau cov ntaub ntawv xa mus los ntawm hluav taws xob sab hauv hluav taws xob hloov kho.
DAC feem ntau siv nyob rau hauv kev hloov ntawm cov ntaub ntawv nruab nrab lub computer chav
DAC tuaj yeem ua haujlwm nquag lossis nquag, thaum AOC nquag.
Hauv cov ntaub ntawv chaw, cov kab txuas tooj liab feem ntau yog siv los txuas cov servers thiab thaj chaw khaws cia network. Cov feem ntau siv yog ncaj qha txuas tooj liab cable (DAC), thiab passive tooj liab cable yog tshwj xeeb tshaj yog siv. Vim tias nws tus nqi qis thiab lub siab hloov ceev, passive tooj liab cable tau dhau los ua qhov kev daws teeb meem zoo tshaj plaws kom paub cov kab sib kis luv luv.
Leej twg yuav yog tus yeej hauv cov ntaub ntawv thiab kev sib txuas lus?
AOC fiber ntau optic cable muaj kev sib kis tau ntev dua thiab txo qhov cuam tshuam hluav taws xob. Txawm li cas los xij, hauv cov ntaub ntawv chaw, feem ntau nws yog qhov zoo tshaj rau siv DAC tooj liab cable, vim tias DAC muab cov txiaj ntsig zoo hauv kev siv peev, kev siv nyiaj, kev ua haujlwm thiab kev ntseeg tau.
Qhov zoo ntawm DAC ：
1. Kev ncua deb: DAC tuaj yeem txuas mus rau ob peb metres, thiab nws qhov ntev nyob ntawm lub network ceev, uas feem ntau ntau dua kom txaus rau kev sib tshuam hauv cov ntaub ntawv chaw. Txawm hais tias muaj kev sib txuas ntawm cov servers hauv ib qho khib los yog siv hluav taws xob hauv pawg, DAC muab qhov haujlwm no: kev ntseeg tau zoo thiab siv tau hluav taws xob nrog cov khoom siv tau ntau tshaj.
2. Nqi: DAC muab cov txiaj ntsig ntawm kev txuag nyiaj tseem ceeb. Feem ntau hais lus, tus nqi ntawm passive tooj liab cable yog ob rau tsib zaug pheej yig dua li qhov ntev tib yam ntawm cable kho qhov muag. Tsis tas li ntawd, vim tias DAC tsis haus hluav taws xob thiab nws cov qauv siv cua sov muaj qhov ua kom txias txias, nws tuaj yeem txuag tau cov kev siv nyiaj ntawm cov ntaub ntawv chaw. Yog tias koj siv DAC tooj liab siv AOC, koj tuaj yeem txuag hluav taws xob ntau pua kilowatts.
3. Kev ntseeg tau thiab nrawm: ib qho zoo tshaj plaws ntawm DAC yog kev ntseeg tau, uas ntsuas los ntawm lub sijhawm nruab nrab ntawm qhov ua tsis tiav (MTBF). Lub MTBF ntawm passive tooj liab xaim yog txog 500 lab teev - feem ntau yog ib qho kev txiav txim ntawm qhov siab tshaj qhov kev lag luam tus qauv rau cov kab hluav taws xob fiber ntau. DAC muaj txiaj ntsig zoo rau cov chaw khaws ntaub ntawv hauv chaw ua lag luam, qhov twg cov ntaub ntawv xa xov xwm tseem ceeb yog qhov tseem ceeb: zam kev poob qis.
4. Cov ntaub ntawv sib kis ntau dua: qhov hluav taws xob high-speed cable tam sim no tuaj yeem pab txhawb cov ntaub ntawv xa khoom ntawm 4gbps txog 10Gbps, uas siab dua qhov kev txhawb nqa los ntawm cov qub tooj liab cable.
5. Lub zog sib xyaw ua ke: nrog txoj kev txhim kho tooj liab thev naus laus zis, txuas xov tooj hluav taws xob loj thiab cov kis tau zoo fiber ntau tuaj yeem sib pauv thiab kub tau hloov.
6. Tus nqi qis: tooj liab cable yog pheej yig dua fiber ntau kho qhov muag, thiab siv cov xov tooj hluav taws xob nrawm yuav txo tus nqi xov hlau.
7. Zoo cua sov dissipation: kev kub ceev cable yog ua los ntawm cov tub ntxhais tooj liab, uas muaj cov cua sov zoo ua kom zoo.
8. Cov kev ua haujlwm siab: nws yog tsim rau luv luv xov nyob hauv cov ntaub ntawv chaw, nrog ntau daim ntawv thov ntau thiab muaj zog sib xyaw ua ke muaj peev xwm.
9. Kev txuag hluav taws xob thiab kev tiv thaiv ib puag ncig: cov khoom siv sab hauv ntawm high-speed cable yog tooj liab tub ntxhais, thiab lub ntuj tshav kub dissipation nyhuv ntawm tooj liab cable yog qhov zoo, uas yog lub zog txuag thiab kev tiv thaiv ib puag ncig.
10. Tsawg zog siv hluav taws xob: tsawg zog siv ntawm high-speed cable. Vim tias lub tshuab hluav taws xob passive tsis xav tau hluav taws xob, qhov kev siv fais fab yuav luag xoom; lub zog noj ntawm cov nquag cable feem ntau kwv yees 440mw.
11. Tus nqi qis: tus nqi ntawm tooj liab cable yog ntau qis dua li ntawm cov kho qhov muag, yog li siv cov kab hluav taws xob siab tau txo cov xov hluav taws xob ntawm tag nrho cov ntaub ntawv chaw.
Disadvantagesof DAC:
1. Lub luv kis nrug, lub luj loj, lub ntim loj, nyuaj rau kev tswj hwm.
2. Nws yog qhov yooj yim rau cuam tshuam los ntawm hluav taws xob cuam tshuam, xws li cov lus teb tsis zoo thiab kev cuam tshuam.
Tus qauv tsim ntawm AOC yog qhov sib dua, tsuas yog zoo nkaus li DAC, uas yog siv dav hauv thaj chaw khaws cia network, cov ntaub ntawv chaw thiab kev ua haujlwm siab sib piv. AOC siv cov cim kho qhov muag thiab tsis tuaj yeem ua tam sim no, yog li nws tiv thaiv hluav taws xob cuam tshuam los ntawm hluav taws xob.
Cov txiaj ntsig zoo ntawm AOC active fiber ntau optic cable:
1. Cov kab xev loj dua: tsis muaj cov khoom siv ntxiv yuav tsum tau ua, thiab kev sib kis dhau mus txog 40 Gbps
2. Lub teeb yuag: ntau sib dua dua high-speed cable.
3. Tsawg hluav taws xob cuam tshuam: cov hlua hluav taws xob yog ib hom dielectric, yog li nws tsis yooj yim cuam tshuam los ntawm kev cuam tshuam ntawm electromagnetic.
4. Dabtsi yog khoov vojvoog: lub cable ntawm AOC yog qhov nyias heev thiab dabtsi yog khoov vojvoog loj heev. Yog tias tsis muaj cov ntaub thaiv hluav taws xob txaus hauv cov ntaub ntawv chaw, AOC yog qhov kev daws teeb meem zoo tshaj plaws.
5. Kev tswj cua thiab cua txias: vim qhov tsim tau zoo ntawm AOC cable, qhov hloov yuav muaj ntau qhov chaw tso cua thiab ua kom yooj yim kom txias lub zog.
Qhov tsis zoo: piv nrog high-speed cable, tus nqi ntawm active optical cable yog siab dua.
Muaj kev sib piv ntawm DAC thiab AOC
Kev kub ceev cable (DAC) tuaj yeem muab faib ua txoj kev kub ceev cable (ACC) thiab passive high-speed cable (PCC). Qhov sib txawv ntawm lawv yog tias cov qub muaj ib tus tsav tsheb nti ntxiv. DAC yog tsim ntawm cov nyiaj plated tooj liab neeg xyuas pib thiab ua npuas ncauj rwb thaiv tsev tub ntxhais hlau. Nws lub ntsiab daim ntawv thov tseem ceeb yog kev sib tshuam hauv 5m / 10m." kho qhov muag module" ntawm DAC tsis yog qhov siv tau kho qhov muag qhov tseeb. Nws tsis muaj cov khoom sib txuas thiab tsuas tuaj yeem xa cov hluav taws xob hluav taws xob. Yog li ntawd, txoj kev kub ceev cable yog pheej yig dua li lwm cov khoom siv kho qhov muag zoo tib yam.
AOC feem ntau yog tsim ntawm ob qho khoos phis tawj thiab qhov kho qhov muag cable. Cov transceivers ntawm ob xaus ntawm qhov kho qhov muag cable muab photoelectric hloov dua siab tshiab muaj nuj nqi. Piv nrog DAC, AOC (nquag kho qhov muag hluav taws xob) nquag optical cable muaj muaj zog tiv thaiv electromagnetic cuam tshuam muaj peev xwm, thiab muaj ntau yam zoo xws li kev xa mus siab, kev deb ntev, lub sijhawm qeeb thiab lub zog siv qis. Hauv thaj tsam ntawm 300m hauv nruab nrab thiab luv luv ntawm cov xwm txheej, cov neeg siv ntawm cov ntaub ntawv chaw tuaj yeem tuaj yeem kho qhov ntev raws li qhov xwm txheej tiag tiag, thaum DAC tsuas txwv rau daim ntawv thov cov xwm txheej tsis pub dhau 10m.
Hauv txheej xwm ntawm cov ntaub ntawv chaw, yuav ua li cas xaiv ntawm AOC thiab DAC?
Ib tus neeg rau zaub mov thiab tus txheej txheem hloov pauv (TOR) saum toj no yog lub chaw pib ntawm cov chaw nruab cov ntaub ntawv. Feem ntau hais lus, qhov kev ncua deb ntawm kev nkag mus thiab daim npav network network (NIC) tsawg dua 5 m. hauv qhov teeb meem luv luv no, DAC muaj cov nqi zoo dua, kev siv fais fab thiab kev ua kom kub siab ua haujlwm zoo dua li cov nquag optical fiber AOC, yog li peb xaiv DAC yog qhov tsim nyog tshaj plaws. Hauv cov xwm txheej tshwj xeeb, raws li cov neeg siv khoom xav tau, 100g qsfp28 txog 4-txoj kev sfp28 DAC ncaj qha kev sib txuas tuaj yeem saws.
Qhov kev sib kis deb ntawm tor mus txog rau tus tub ntxhais ntug feem ntau yog tsawg dua 100m. Txij ntawm no mus, txoj kab kev sib xyaw tau nce siab dua. AOC yog qhov yooj yim yooj yim rau kev tswj hwm ntawm cov cable vim nws lub teeb yuag thiab cov taub me me. Cov chaw cov ntaub ntawv yog nruj heev nyob rau hauv qhov yuav tsum tau ua ntawm lub teeb liab kis. AOC muaj zog dua DAC hauv kev teeb tsa qhov tseeb thiab kev tsim kho qhov muag txuas, uas ua tau zoo kom txo qis ntawm kev ua yuam kev hauv kev ua haujlwm. Tsis tas li ntawd xwb, vim tias qhov teeb meem loj ntawm EMI lub teeb liab raug ua tiav nyob rau hauv lub pluggable module, EMI kev tiv thaiv ntawm cov nquag kho qhov muag cable tau siab dua qhov ntawm DAC. Yog tsis muaj kev tsis ntseeg tias AOC yog qhov kev xaiv thawj rau peb nruab nrab thiab luv deb mus sib cuam tshuam txoj kev teeb meem.
Raws li nyias cov kev xav tau thiab daim ntawv thov kev pabcuam, peb muaj kev xaiv sib txawv zoo tshaj. Tam sim no, thaum qhov yuav tsum tau ua ntawm cov ntaub ntawv nruab nrab tsis yog siab heev, DAC cov phiaj xwm tau saws rau kev sib txuas ntawm cov servers thiab hloov chaw li ntawm 5m / 10m, thiab AOC cov kab sib txuas tau txais coj los ntawm cov keyboards.
Yog tias koj xav tau dab tsi, koj tuaj yeem hu rau HTF Zoey.
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